The departure of two props and recruitment of two Super League stars headline the Raiders' roster movements heading into 2019.
Sia Soliola and English recruit Ryan Sutton are likely to form the new engine room in place of departed props Junior Paulo and Shannon Boyd. Another English recruit, Test star John Bateman, will be jostling with two other Test regulars in Joe Tapine and Elliott Whitehead for back row spots.
Michael Oldfield is set to replace the injured Jordan Rapana for the first half of the season. Fullback Jack Wighton will be available for round one after missing the last two months of 2018 through suspension.